"I saw Zainab, the daughter of the Prophet [SAW], wearing a Qamis of Sira'."  

رَأَيْتُ عَلَى زَيْنَبَ بِنْتِ النَّبِيِّ ﷺ قَمِيصَ حَرِيرٍ سِيَرَاءَ  

He saw Umm Kalthum, the daughter of the Messenger of Allah [SAW], wearing a Burdah of Sira' silk, and Sira' is a fabric with stripes of silk.  

أَنَّهُ حَدَّثَنِي أَنَّهُ رَأَى عَلَى أُمِّ كُلْثُومٍ بِنْتِ رَسُولِ اللَّهِ ﷺ بُرْدَ سِيَرَاءَ وَالسِّيَرَاءُ الْمُضَلَّعُ بِالْقَزِّ  

"A Hullah of Sira' was given to the Messenger of Allah [SAW] and he sent it to me. I put it on, then I saw anger in his face. He said: 'I did not give it to you to wear it.' Then he told me to divide it among my womenfolk."  

سَمِعْتُ عَلِيًّا يَقُولُ أُهْدِيَتْ لِرَسُولِ اللَّهِ ﷺ حُلَّةُ سِيَرَاءَ فَبَعَثَ بِهَا إِلَىَّ فَلَبِسْتُهَا فَعَرَفْتُ الْغَضَبَ فِي وَجْهِهِ فَقَالَ أَمَا إِنِّي لَمْ أُعْطِكَهَا لِتَلْبَسَهَا فَأَمَرَنِي فَأَطَرْتُهَا بَيْنَ نِسَائِي